This is a 1966 edition, edited, typeset, and printed by Paul Hayden Duensing, of a 1931 letter from Phil. T. Nuernberger to Archie Little on the subject of the electroforming of matrices for casting printing types.
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This original 1966 version of this publication is in the public domain as it was published without copyright notice at a time when such notice was required to secure copyright. However, Ginger Duensing has requested that Paul Hayden Duensing be acknowledged in all works that he printed and/or wrote. I am therefore licensing this reprint under the "Creative Commons Attribution - Noncommercial - ShareAlike 3.0 unported" license. In using it under the terms of this license, please attribute Phil. T. Nuernberger as the author, Paul Hayden Duensing as the editor and publisher, and Dr. David M. MacMillan / CircuitousRoot for the digitization.